Which of the following statements are true about the function below? Select all that apply
f(x) = (x - 4)2 - 1
A. f(x) has a zero at x = 4
B. f(x) has a maximum at x = 4
C. f(x) has a minimum at x = -1
D. f(x) has a zero at x = 3
E, the minimum value of f(x) is -1
F. the maximum value of f(x) is 15

Set $r$ is a set of rectangles such that (1) only the grid points shown here are used as vertices, (2) all sides are vertical or horizontal and (3) no two rectangles in the set are congruent. if $r$ contains the maximum possible number of rectangles given these conditions, what fraction of the rectangles in set $r$ are squares? express your answer as a common fraction.

92ft long and 48 wide resurface 2.75$

Sole the equation 6n + 9 = -3n - 21 - 6 for n